46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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#include "akerror.h"
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#include "err_capture.h"
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/*
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* FINISH(ctx, false) closes an ATTEMPT block without propagating: an unhandled
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* error is dropped (not returned, not passed to the unhandled handler) and the
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* context is released back to the pool. Because we use FINISH (not
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* FINISH_NORETURN) the process must continue normally and exit 0.
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*/
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static int wrong_handler_fired = 0;
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akerr_ErrorContext *boom(void)
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{
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PREPARE_ERROR(e);
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FAIL_RETURN(e, AKERR_VALUE, "unhandled but swallowed");
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}
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/* FINISH(e, false) belongs in a context-returning function. On the swallow
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* path e is released to NULL, so this returns NULL to its caller. */
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akerr_ErrorContext *swallow_it(void)
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{
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PREPARE_ERROR(e);
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ATTEMPT {
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CATCH(e, boom());
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} CLEANUP {
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} PROCESS(e) {
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} HANDLE(e, AKERR_KEY) {
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wrong_handler_fired = 1; /* does not match AKERR_VALUE */
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} FINISH(e, false);
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return e; /* NULL: released even though unhandled */
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}
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int main(void)
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{
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akerr_capture_install();
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akerr_ErrorContext *res = swallow_it();
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AKERR_CHECK(wrong_handler_fired == 0);
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AKERR_CHECK(res == NULL); /* released even though unhandled */
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AKERR_CHECK(akerr_slots_in_use() == 0);
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fprintf(stderr, "err_swallow ok\n");
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return 0;
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}
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